7 (水)	05:57	11:23	17:01	23:42
	129cm	64cm	141cm	26cm
中潮 出 06:41 入 16:57 出 08:45 入 20:30

苫小牧（北海道）2057年02月7日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
2/7 00:00	18.8	↑1.3
2/7 00:10	20.3	↑1.5
2/7 00:20	22.1	↑1.8
2/7 00:30	24.2	↑2.1
2/7 00:40	26.5	↑2.3
2/7 00:50	29.2	↑2.7
2/7 01:00	32.1	↑2.9
2/7 01:10	35.4	↑3.3
2/7 01:20	38.9	↑3.5
2/7 01:30	42.7	↑3.8
2/7 01:40	46.7	↑4.0
2/7 01:50	51.0	↑4.3
2/7 02:00	55.5	↑4.5
2/7 02:10	60.2	↑4.7
2/7 02:20	65.0	↑4.8
2/7 02:30	70.0	↑5.0	最大潮位差
2/7 02:40	74.9	↑4.9
2/7 02:50	79.9	↑5.0	最大潮位差
2/7 03:00	84.8	↑4.9
2/7 03:10	89.6	↑4.8
2/7 03:20	94.2	↑4.6
2/7 03:30	98.7	↑4.5
2/7 03:40	102.9	↑4.2
2/7 03:50	106.8	↑3.9
2/7 04:00	110.4	↑3.6
2/7 04:10	113.6	↑3.2
2/7 04:20	116.6	↑3.0
2/7 04:30	119.2	↑2.6
2/7 04:40	121.4	↑2.2
2/7 04:50	123.4	↑2.0
2/7 05:00	125.0	↑1.6
2/7 05:10	126.3	↑1.3
2/7 05:20	127.3	↑1.0
2/7 05:30	128.1	↑0.8
2/7 05:40	128.6	↑0.5
2/7 05:50	128.8	↑0.2	満潮
2/7 06:00	128.8	0
2/7 06:10	128.7	↓-0.1
2/7 06:20	128.2	↓-0.5
2/7 06:30	127.6	↓-0.6
2/7 06:40	126.7	↓-0.9
2/7 06:50	125.7	↓-1.0
2/7 07:00	124.3	↓-1.4
2/7 07:10	122.8	↓-1.5
2/7 07:20	120.9	↓-1.9
2/7 07:30	118.9	↓-2.0
2/7 07:40	116.5	↓-2.4
2/7 07:50	114.0	↓-2.5
2/7 08:00	111.2	↓-2.8
2/7 08:10	108.2	↓-3.0
2/7 08:20	105.1	↓-3.1
2/7 08:30	101.8	↓-3.3
2/7 08:40	98.4	↓-3.4
2/7 08:50	95.0	↓-3.4
2/7 09:00	91.5	↓-3.5
2/7 09:10	88.1	↓-3.4
2/7 09:20	84.7	↓-3.4
2/7 09:30	81.5	↓-3.2
2/7 09:40	78.5	↓-3.0
2/7 09:50	75.7	↓-2.8
2/7 10:00	73.1	↓-2.6
2/7 10:10	70.8	↓-2.3
2/7 10:20	68.8	↓-2.0
2/7 10:30	67.1	↓-1.7
2/7 10:40	65.7	↓-1.4
2/7 10:50	64.7	↓-1.0
2/7 11:00	63.9	↓-0.8
2/7 11:10	63.4	↓-0.5
2/7 11:20	63.2	↓-0.2	干潮
2/7 11:30	63.3	↑0.1
2/7 11:40	63.7	↑0.4
2/7 11:50	64.2	↑0.5
2/7 12:00	65.0	↑0.8
2/7 12:10	66.1	↑1.1
2/7 12:20	67.3	↑1.2
2/7 12:30	68.8	↑1.5
2/7 12:40	70.4	↑1.6
2/7 12:50	72.3	↑1.9
2/7 13:00	74.4	↑2.1
2/7 13:10	76.7	↑2.3
2/7 13:20	79.2	↑2.5
2/7 13:30	81.9	↑2.7
2/7 13:40	84.9	↑3.0
2/7 13:50	88.0	↑3.1
2/7 14:00	91.4	↑3.4
2/7 14:10	94.9	↑3.5
2/7 14:20	98.5	↑3.6
2/7 14:30	102.3	↑3.8
2/7 14:40	106.1	↑3.8
2/7 14:50	109.9	↑3.8
2/7 15:00	113.7	↑3.8
2/7 15:10	117.4	↑3.7
2/7 15:20	121.0	↑3.6
2/7 15:30	124.4	↑3.4
2/7 15:40	127.5	↑3.1
2/7 15:50	130.4	↑2.9
2/7 16:00	132.9	↑2.5
2/7 16:10	135.1	↑2.2
2/7 16:20	136.9	↑1.8
2/7 16:30	138.4	↑1.5
2/7 16:40	139.4	↑1.0
2/7 16:50	140.0	↑0.6
2/7 17:00	140.2	↑0.2	満潮
2/7 17:10	140.0	↓-0.2
2/7 17:20	139.5	↓-0.5
2/7 17:30	138.6	↓-0.9
2/7 17:40	137.4	↓-1.2
2/7 17:50	135.9	↓-1.5
2/7 18:00	134.1	↓-1.8
2/7 18:10	132.1	↓-2.0
2/7 18:20	129.8	↓-2.3
2/7 18:30	127.4	↓-2.4
2/7 18:40	124.7	↓-2.7
2/7 18:50	121.8	↓-2.9
2/7 19:00	118.8	↓-3.0
2/7 19:10	115.5	↓-3.3
2/7 19:20	112.1	↓-3.4
2/7 19:30	108.5	↓-3.6
2/7 19:40	104.7	↓-3.8
2/7 19:50	100.7	↓-4.0
2/7 20:00	96.6	↓-4.1
2/7 20:10	92.3	↓-4.3
2/7 20:20	87.9	↓-4.4
2/7 20:30	83.3	↓-4.6
2/7 20:40	78.7	↓-4.6
2/7 20:50	74.0	↓-4.7
2/7 21:00	69.4	↓-4.6
2/7 21:10	64.7	↓-4.7
2/7 21:20	60.2	↓-4.5
2/7 21:30	55.8	↓-4.4
2/7 21:40	51.5	↓-4.3
2/7 21:50	47.5	↓-4.0
2/7 22:00	43.8	↓-3.7
2/7 22:10	40.4	↓-3.4
2/7 22:20	37.2	↓-3.2
2/7 22:30	34.5	↓-2.7
2/7 22:40	32.1	↓-2.4
2/7 22:50	30.1	↓-2.0
2/7 23:00	28.5	↓-1.6
2/7 23:10	27.2	↓-1.3
2/7 23:20	26.4	↓-0.8
2/7 23:30	25.8	↓-0.6
2/7 23:40	25.6	↓-0.2	干潮
2/7 23:50	25.8	↑0.2